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Finding the Fourth Proportional to 294,181.72, 405,972.54 and 160,046.68

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Solution

The fourth proportional to 294,181.72, 405,972.54 and 160,046.68 is: 220,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,181.72 : 405,972.54 = 160,046.68 : x
  2. Step 2: Convert to fraction form
    294,181.72/405,972.54 = 160,046.68/x
  3. Step 3: Cross multiply
    294,181.72x = 405,972.54 × 160,046.68
  4. Step 4: Simplify right side
    294,181.72x = 64,974,557,198.17
  5. Step 5: Solve for x
    x = 64,974,557,198.17/294,181.72
  6. Step 6: Final answer
    x = 220,865.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.